<?php

declare(strict_types=1);

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class CategoryRequest extends FormRequest
{
    public function rules(): array
    {
        return [
            'name' => 'required|string|min:3|max:25',
            'slug' => 'required|string|min:3|max:25',
            'priority' => 'required|numeric|min:0|max:10',
            'default' => 'nullable|boolean',
            'visible' => 'required|boolean',
        ];
    }

    protected function prepareForValidation(): void
    {
        $this->merge([
            'default' => $this->toBoolean($this->default),
            'visible' => $this->toBoolean($this->visible),
        ]);
    }

    private function toBoolean($booleable): bool
    {
        return filter_var($booleable, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
    }
}